graph LR
subgraph "三相电机驱动桥臂"
A["48V/96V直流母线"] --> B["母线电容"]
B --> C["VBGQT1601上管"]
B --> D["VBGQT1601上管"]
B --> E["VBGQT1601上管"]
C --> F["U相输出"]
D --> G["V相输出"]
E --> H["W相输出"]
I["VBGQT1601下管"] --> J["功率地"]
K["VBGQT1601下管"] --> J
L["VBGQT1601下管"] --> J
F --> I
G --> K
H --> L
end
subgraph "驱动与保护电路"
M["UCC5350驱动IC"] --> C
M --> I
N["UCC5350驱动IC"] --> D
N --> K
O["UCC5350驱动IC"] --> E
O --> L
P["电流检测"] --> Q["比较器"]
Q --> R["故障锁存"]
R --> S["关断信号"]
S --> M
S --> N
S --> O
T["温度传感器"] --> U["温度监控"]
U --> V["降额控制"]
V --> M
end
subgraph "散热设计"
W["大型铝散热器"] --> C
W --> I
X["强制风冷系统"] --> W
Y["导热硅脂"] --> C
Y --> I
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M fill:#fce4ec,stroke:#e91e63,stroke-width:2px
场景2:中功率辅助系统拓扑详图
graph TB
subgraph "辅助电机驱动通道"
A["48V直流母线"] --> B["VBPB1106上管"]
B --> C["电机负载"]
D["VBPB1106下管"] --> E["功率地"]
C --> D
F["电机驱动IC"] --> B
F --> D
end
subgraph "多通道控制"
subgraph "冷却泵控制"
G["PWM1"] --> H["VBPB1106"]
H --> I["冷却泵"]
end
subgraph "风机控制"
J["PWM2"] --> K["VBPB1106"]
K --> L["风机"]
end
subgraph "输送带控制"
M["PWM3"] --> N["VBPB1106"]
N --> O["输送电机"]
end
end
subgraph "保护与监控"
P["过流检测"] --> Q["硬件保护"]
R["过温检测"] --> S["温度保护"]
Q --> T["关断逻辑"]
S --> T
T --> H
T --> K
T --> N
U["电流采样"] --> V["MCU ADC"]
W["温度采样"] --> V
end
subgraph "散热设计"
X["铝散热器"] --> H
X --> K
X --> N
Y["机柜风道"] --> X
end
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#fce4ec,stroke:#e91e63,stroke-width:2px
场景3:高压辅助电源拓扑详图
graph LR
subgraph "高压隔离DC-DC原边"
A["400-800V高压母线"] --> B["输入滤波"]
B --> C["VBP112MC30-4L上管"]
C --> D["高频变压器"]
E["VBP112MC30-4L下管"] --> F["原边地"]
D --> E
G["1ED34xx SiC驱动IC"] --> C
G --> E
H["开尔文引脚"] --> G
end
subgraph "副边与输出"
D --> I["同步整流"]
I --> J["输出滤波"]
J --> K["48V辅助母线"]
K --> L["负载分配"]
end
subgraph "控制与保护"
M["PWM控制器"] --> G
N["原边电流检测"] --> O["过流保护"]
P["副边电压反馈"] --> Q["电压调节"]
O --> R["故障信号"]
R --> M
S["隔离反馈"] --> M
end
subgraph "EMC与可靠性"
T["RC吸收电路"] --> C
T --> E
U["变压器屏蔽层"] --> D
V["高压爬电设计"] --> C
V --> E
W["TVS保护"] --> G
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style G fill:#fce4ec,stroke:#e91e63,stroke-width:2px
点击下载：VBA1303C规格书
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